Base | Representation |
---|---|
bin | 1011011111110100… |
… | …0000000011100100 |
3 | 21222002021022001111 |
4 | 2313331000003210 |
5 | 22310033042130 |
6 | 1230124234404 |
7 | 136323310303 |
oct | 26775000344 |
9 | 7862238044 |
10 | 3086221540 |
11 | 1344100a16 |
12 | 72169ba04 |
13 | 3a25126bc |
14 | 213c4c43a |
15 | 130e2602a |
hex | b7f400e4 |
3086221540 has 24 divisors (see below), whose sum is σ = 6495266232. Its totient is φ = 1231783680.
The previous prime is 3086221517. The next prime is 3086221543. The reversal of 3086221540 is 451226803.
It can be written as a sum of positive squares in 4 ways, for example, as 1898867776 + 1187353764 = 43576^2 + 34458^2 .
It is not an unprimeable number, because it can be changed into a prime (3086221543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159691 + ... + 177970.
It is an arithmetic number, because the mean of its divisors is an integer number (270636093).
Almost surely, 23086221540 is an apocalyptic number.
It is an amenable number.
3086221540 is an abundant number, since it is smaller than the sum of its proper divisors (3409044692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3086221540 is a wasteful number, since it uses less digits than its factorization.
3086221540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338127 (or 338125 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 3086221540 is about 55553.7716091356. The cubic root of 3086221540 is about 1455.9362726455.
The spelling of 3086221540 in words is "three billion, eighty-six million, two hundred twenty-one thousand, five hundred forty".
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